You should make it a rule to leave things _______ you can find them again.
A. when B. where
C. in which D. there
For many cities in China, there is no room to spread out further, _______ Yangzhou is an example.
A. for which B. in which
C. of which D. from which
The artist made up his mind to devote all he could his English before going abroad.
A. improve B. to improve
C. to improving D. improving
A new ________ bus service to Yangzhou-taizhou Airport started to operate two months ago.
A. normal B. usual
C. regular D. common
Doctor Wang, who ____ western medicine for six years in New York, is now working in a famous hospital in Shanghai.
A. had studied B. studied
C. has studied D. is studying
We have no idea what ____ the sports exercises will have _____ human body in the future.
A. cause; on B. effect; upon
C. affect; in D. affect; upon
